Taro Sado is a high school student who lives his day to day life with a big secret—he's a masochist! Encouraged by his cross-dressing best friend Tatsukichi Hayama, Taro asks the Second Voluntary Club for help with his problem and ends up joining the club after they vow to "fix" him. However, it turns out that all of the members of the club have some serious issues. The club leader Mio Isurugi is a self-designated god who is afraid of cats, Arashiko Yuuno has a severe fear of men, and the club advisor Michiru Onigawara is a sadist who enjoys making people cosplay. Together with other wacky characters such as Yumi Mamiya, a talented masseuse and Yuuno's best friend, and Noa Hiiragi, the president of the invention club, they all learn about the importance of acceptance and kindness. [Written by MAL Rewrite]

Keitaro Urashima promised a girl when he was young that they would meet up again at Tokyo University in the future. Sadly, in the National Practice Exam, Keitaro ranked 27th from the bottom. Knowing his grandmother owned a hotel, Keitaro intended to stay there while continuing his studies for Tokyo U, only to find out the hotel had long been transformed into an all-girls dormitory. Through an odd twist of fate, Keitaro eventually became the manager of the dorm, beginning his life of living with five other girls.

Evil Shinma (shape-shifting monsters and vampires) roam the Earth on a mission to unleash their darkness upon the Human race. Miyu Royal Princess from the dark is the Chosen One—the one being who must banish the Evil Shinma from the Earth. She has the power to offer Humans the gift of eternal happiness, yet is herself, trapped between two worlds; destined for perpetual solitude and internal conflict. Miyu's only companion is Larva, once an evil Shimna; now her devoted guardian. Together they share a dark journey through the weakness of the human heart and the tragic loss of innocence. Cut off from humanity by the knowledge of what she is, Miyu lives an endless quest as both the hunter and the hunted, on the edge of darkness.

Possessing a deep knowledge of mineralogy, Richard Ranashinha de Vulpian is a young and handsome British jewelry appraiser who owns a small shop in Japan. One fateful night, Seigi Nakata, a righteous college student, saves him from drunks who were harassing him due to his good looks. Upon learning of Richard's identity, Seigi hires him to appraise a pink sapphire ring that was left behind by his deceased grandmother. Before long, Seigi becomes a trusted part-timer at Richard's shop. Together, the duo solve various jewel-related requests from diverse clients of different backgrounds. Step by step, they unravel the hidden motives and feelings that lie within the gems in order to understand and empathize with the little stories behind each piece of jewelry. [Written by MAL Rewrite]